Doctor profile · Federal record

Dr. Annemarie Hargadon, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Winters, CA

  • NPI 1679691497
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 E Grant Ave
Winters, CA 956941842
(530) 795-1110
Mailing address
1210 Marina Cir
Davis, CA 956162736

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
August 22, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G71986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679691497. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
203
Distinct HCPCS
5
Medicare allowed
$28,614
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 117 72 $149
99205 New patient office or other outpatient visit, 60-74 minutes 41 41 $188
99214 Established patient office or other outpatient visit, 30-39 minutes 16 13 $101
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 16 12 $33
99443 Telephone medical discussion with physician, 21-30 minutes 13 11 $101

In context: peer comparison

Among 1 peers in Winters Internal Medicine Physician, average services per provider: 40. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
359
Patients
52
Total drug cost
$42,993
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 60 27 $2,919
Fentanyl Generic 48 11 $5,524
Pregabalin Generic 38 0 $1,061
Gabapentin Generic 35 0 $2,070
Hydromorphone Hcl Generic 32 14 $1,937
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 26 0 $729
Morphine Sulfate ER (Morphine Sulfate) Brand 21 0 $915
Lactulose Generic 15 0 $305
Escitalopram Oxalate Generic 14 0 $1,407
Oxycontin (Oxycodone Hcl) Brand 14 0 $15,340

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Annemarie Hargadon's medical specialty?
Dr. Annemarie Hargadon practices Internal Medicine Physician in Winters, CA.
Where does Dr. Annemarie Hargadon practice?
Dr. Annemarie Hargadon practices at 111 E Grant Ave, Winters, CA 956941842. Office phone: 5307951110.
What is Dr. Annemarie Hargadon's NPI?
Dr. Annemarie Hargadon's National Provider Identifier (NPI) is 1679691497, issued by NPPES.
Does Dr. Annemarie Hargadon accept Medicare assignment?
Yes. Dr. Annemarie Hargadon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Annemarie Hargadon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.